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|Title:||Discrete-time sensorless control of permanent magnet synchronous motors|
|Abstract:||The maternal ancestry (mtDNA) has important applications in different research fields, such as evolution, epidemiology, identification, and human population history. This is particularly interesting in Mestizos, which constitute the main population in Mexico (?93%) resulting from post-Columbian admixture between Spaniards, Amerindians, and African slaves, principally. Consequently, we conducted minisequencing analysis (SNaPshot) of 11 mitochondrial single-nucleotide polymorphisms in 742 Mestizos of 10 populations from different regions in Mexico. The predominant maternal ancestry was Native American (92.9%), including Haplogroups A, B, C, and D (47, 23.7, 15.9, and 6.2%, respectively). Conversely, European and African ancestries were less frequent (5.3 and 1.9%, respectively). The main characteristics of the maternal lineages observed in Mexican-Mestizos comprised the following: 1) contrasting geographic gradient of Haplogroups A and C; 2) increase of European lineages toward the Northwest; 3) low or absent, but homogeneous, African ancestry throughout the Mexican territory; 4) maternal lineages in Mestizos roughly represent the genetic makeup of the surrounding Amerindian groups, particularly toward the Southeast, but not in the North and West; 5) continuity over time of the geographic distribution of Amerindian lineages in Mayas; and 6) low but significant maternal population structure (FST = 2.8%; P = 0.0000). The average ancestry obtained from uniparental systems (mtDNA and Y-chromosome) in Mexican-Mestizos was correlated with previous ancestry estimates based on autosomal systems (genome-wide single-nucleotide polymorphisms and short tandem repeats). Finally, the comparison of paternal and maternal lineages provided additional information concerning the gender bias admixture, mating patterns, and population structure in Mestizos throughout the Mexican territory. " 2013 Wiley Periodicals, Inc.",,,,,,"10.1002/ajpa.22293",,,"http://hdl.handle.net/20.500.12104/42684","http://www.scopus.com/inward/record.url?eid=2-s2.0-84880517847&partnerID=40&md5=233032400b64d6041744de9ed4658248|
http://ovidsp.ovid.com/ovidweb.cgi?T=JS&CSC=Y&NEWS=N&PAGE=fulltext&D=medl&AN=23754474",,,,,,"4",,"American Journal of Physical Anthropology",,"526
MEDLINE",,,,,,"maternal admixture; Mexican-Mestizos; mtDNA ancestry; mtSNPs; Y-SNPs",,"Index Medicus;African Continental Ancestry Group/ge [Genetics];Analysis of Variance;DNA, Mitochondrial/ge [Genetics];Demography;Electrophoresis, Agar Gel;Electrophoresis, Capillary;European Continental Ancestry Group/ge [Genetics];Genetic Variation;Genetics, Population;Haplotypes/ge [Genetics];Humans;Indians, North American/ge [Genetics];Mexico;Multiplex Polymerase Chain Reaction;Polymorphism, Single Nucleotide/ge [Genetics];Sequence Analysis, DNA",,,,"Maternal admixture and population structure in Mexican-Mestizos based on mtDNA haplogroups",,"Article" "42499","123456789/35008",,"Loukianov, A., Department of Electrical Engineering, CINVESTAV, Unidad Guadalajara, 45019, Zapopan, Jalisco, Mexico; Navarrete, A., Department of Electronic Engineering, DIVEC CUCEI, University of Guadalajara, 44430, Guadalajara, Jalisco, Mexico; Rivera, J., Department of Electronic Engineering, DIVEC CUCEI, University of Guadalajara, 44430, Guadalajara, Jalisco, Mexico; Ortega-Cisneros, S., Department of Electrical Engineering, CINVESTAV, Unidad Guadalajara, 45019, Zapopan, Jalisco, Mexico",,"Loukianov, A.
Ortega-Cisneros, S.",,"2011",,"In this work, a sensorless control scheme was designed for permanent magnet synchronous motors based on a sampled model. The discrete-time model was obtained using the Symplectic Euler method. Taking such model along with voltage and current measurements, an observer is designed for rotor position and velocity estimation. Then, the rotor velocity is forced to track a desired reference signal by means of a discrete-time quasi-sliding mode technique. " 2011 IEEE.
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